drm/radeon/kms: add sanity check to wptr.

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If we resume in a bad way, we'll get 0xffffffff in wptr, and then
oops with no console. This just adds a sanity check so that we can
avoid the oops and hopefully get more details out of people's systems.

Signed-off-by: Dave Airlie <airlied@redhat.com>

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Dave Airlie 2010-03-31 13:38:56 +10:00

parent fb668c2fed

commit 9e5786bd14

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/radeon/r100.c

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